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    • 122. 发明专利
    • Rayon fiber and method for producing the same
    • RAYON纤维及其制造方法
    • JP2008285779A
    • 2008-11-27
    • JP2007130821
    • 2007-05-16
    • Daiwabo Co LtdDaiwabo Rayonne Kkダイワボウレーヨン株式会社大和紡績株式会社
    • KAJIHATA HIROYUKIHAYASHI MAKOTO
    • D01F2/10
    • PROBLEM TO BE SOLVED: To provide a rayon fiber capable of preventing the reduction of a fiber strength by the oxidation of a fatty acid or a salt thereof by imparting antioxidant properties to the fatty acid or a salt thereof, and to provide a method for producing the rayon fiber.
      SOLUTION: The rayon fiber is obtained by mixing the fatty acid or the salt thereof in the rayon fiber so that the cellulose and the fatty acid or the salt thereof in the rayon fiber may be in a noncompatible state, the fatty acid or the salt thereof may form cell-shaped regions by being finely dispersed, and a lipophilic antioxidant may be contained in the fatty acid or the salt thereof. The method for producing the rayon fiber includes mixing a solution containing the fatty acid or the salt thereof with the lipophilic antioxidant, preparing an emulsion containing the fatty acid or the salt thereof, and the lipophilic antioxidant, and having an average particle diameter of 0.3-10 μm, preparing an added viscose liquid by adding the emulsion to a viscose dope containing the cellulose, and extruding the added viscose liquid from a nozzle to spin, coagulate and regenerate the fiber.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够通过赋予脂肪酸或其盐对抗氧化性能而通过脂肪酸或其盐的氧化来防止纤维强度降低的人造丝纤维,并提供一种 人造丝纤维的制造方法。 解决方案:人造丝纤维通过将人造纤维中的脂肪酸或其盐混合,使人造纤维中的纤维素和脂肪酸或其盐可能处于不相容的状态,脂肪酸或 其盐可以通过细分散形成细胞形状区域,脂肪酸或其盐中可以含有亲脂性抗氧化剂。 制造人造丝纤维的方法包括将含有脂肪酸或其盐的溶液与亲脂性抗氧化剂混合,制备含有脂肪酸或其盐的乳液和亲脂性抗氧化剂,并且平均粒径为0.3〜 通过将乳液加入到含有纤维素的粘胶纤维素中制备添加的粘胶液体,并从喷嘴挤出所加入的粘胶液体以使纤维旋转,凝结和再生。 版权所有(C)2009,JPO&INPIT
    • 125. 发明专利
    • Rayon fiber and method for producing the same
    • RAYON纤维及其制造方法
    • JP2007138324A
    • 2007-06-07
    • JP2005332046
    • 2005-11-16
    • Daiwabo Co LtdDaiwabo Rayonne Kkダイワボウレーヨン株式会社大和紡績株式会社
    • KAJIHATA HIROYUKIHAYASHI MAKOTO
    • D01F2/10D06M23/00
    • PROBLEM TO BE SOLVED: To provide a lightweight rayon fiber comprising another component or voids finely dispersed in a cellulose fiber component and having a swelling cross-sectional shape of the fiber, high deodorant properties, heat insulating properties and liquid holding properties and high rigidity with stiffness and to provide a method for producing the rayon fiber. SOLUTION: The rayon fiber is a rayon fiber in which oleic acid or a salt thereof is mixed in the interior of the rayon fiber. The rayon fiber and the oleic acid or salt thereof are in an incompatible state and the oleic acid or salt thereof is finely dispersed. The cross-sectional shape of the rayon fiber amorphous and swollen. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种轻质人造丝纤维,其包含精细分散在纤维素纤维组分中的另一组分或空隙,并且具有纤维的膨胀横截面形状,高除臭性,隔热性和液体保持性,以及 具有刚度高刚度并提供用于生产人造纤维的方法。 溶胶:人造丝纤维是其中油酸或其盐混合在人造纤维内部的人造丝纤维。 人造丝纤维及其油酸或其盐是不相容的状态,油酸或其盐被细分散。 人造丝纤维的横截面形状无定形和溶胀。 版权所有(C)2007,JPO&INPIT